The Milwaukee Spring Clamp 4 Inch is a durable and high-quality tool designed for holding workpieces securely in place during CNC machining, metalworking, and manufacturing processes. This spring clamp, made by Duratec, features a strong spring mechanism that allows for easy clamping and releasing of the workpiece. With its 4-inch size, this clamp is versatile and can be used for a variety of applications requiring a strong and reliable workholding solution.